The horizontal wind circulation near the Earth’s surface is due to the 1. pressure gradient. 2. frictional force 3. coriolis force. Select the correct answer using the code given below:

CDS 2015 PYQ with Answer — The horizontal wind circulation near the Earth’s surface is due to th…

2015 · Q59

The horizontal wind circulation near the Earth’s surface is due to the

1pressure gradient.
2frictional force
3coriolis force.

Select the correct answer using the code given below:

General KnowledgeGeography

A1 only
B2 and 3 only
C1 and 3 only
D1, 2 and 3

Explanation

Near Earth's surface, horizontal wind circulation results from the pressure-gradient force (which initiates air motion), the Coriolis force (which deflects it), and the frictional force (which slows it and turns it across the isobars). All three statements are correct — option D.